The part number is CAP CER 470PF 500V C0G/NP0 1812. This is a ceramic capacitor with a capacitance value of 470 pF and a voltage rating of 500 volts. It has a temperature coefficient of C0G or NP0, indicating it is suitable for applications requiring stability over a wide temperature range. The package size is 1812 metric, equivalent to 4532 in the imperial system.